Affordability For Steel Water Tanks

RainBank Rainwater Systems of Seattle has brought back affordability and excellence in the steel water tank market in Washington State.

With over 15 years of experience building other manufacturers’ corrugated steel water tanks, RainBank has teamed up with Contain Water Systems Inc. to set a new standard of ” building relationships as strong as steel”.

A 20 year warranty on all Contain water tanks is unmatched by other manufacturers. On-site project management by RainBank’s chief operations manager assures a safe, on time, quality install. Optional lifting capabilities allow construction in the most difficult circumstances. The industry’s only through the liner access panel option eliminates confined space entry.

Whether your project is commercial or residential, rainwater collection or fire suppression, a Contain Water Systems corrugated water tank sold and installed by RainBank Rainwater Systems is a solid choice.

Use the convenient form below to contact us today.

Ken Blair

A rainwater collection systems designer and consultant, Ken has designed and installed residential and commercial systems, primarily in the northwest United States for more than 10 years and, in 2014, began consulting and managing builds in other states. Ken is an accredited ARCSA Professional Designer / Installer and Life Member, the Northwest Regional ARCSA representative and advisor to its education committee and is available to speak about Rainwater Collection Systems design and builds.


Ken is a United States Navy veteran, having served on active duty during the Vietnam War era. He attained the rate of E-4 Machinist Mate.


A career entrepreneur, Ken created a new business focus with a commercial dive company in Hawaii in the mid 1980′s to respond to and clean up oil spills, oil spill equipment training, service and maintenance for the oil co-op service industry. Ken is passionate about having a positive impact on the environment and is also a founding director of BANK-ON-RAIN (2011-2014), whose mission is to create grassroots solutions for rainwater collection for consumption and agriculture in developing areas of the planet.


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